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<meta property="og:description" content="Jedis什么是Jedis 是 Redis 官方推荐的 java连接开发工具！ 使用Java 操作Redis 中间件！如果你要使用 java操作redis，那么一定要对Jedis 十分的熟悉！ 测试1.首先创建一个Maven项目。导入一下依赖 123456789101112&lt;!--导入jedis包--&gt;      &lt;dependency&gt;          &lt;grou">
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</head><body><div id="web_bg"></div><div id="sidebar"><div id="menu-mask"></div><div id="sidebar-menus"><div class="author-avatar"><img class="avatar-img" data-lazy-src="https://qiniu.codekylin.cn/img/20200807181526.jpg" onerror="onerror=null;src='https://qiniu.codekylin.cn/github/img/friend_404.gif'" alt="avatar"/></div><div class="site-data"><div class="data-item is-center"><div class="data-item-link"><a href="/archives/"><div class="headline">文章</div><div class="length-num">362</div></a></div></div><div class="data-item is-center"><div class="data-item-link"><a href="/tags/"><div class="headline">标签</div><div class="length-num">427</div></a></div></div><div class="data-item is-center"><div class="data-item-link"><a href="/categories/"><div class="headline">分类</div><div class="length-num">101</div></a></div></div></div><hr/><div class="menus_items"><div class="menus_item"><a class="site-page" href="/"><i class="fa-fw fa fa-home"></i><span> 首页</span></a></div><div class="menus_item"><a class="site-page" href="/archives/"><i class="fa-fw fa fa-archive"></i><span> 时间轴</span></a></div><div class="menus_item"><a class="site-page" href="/tags/"><i class="fa-fw fa fa-tags"></i><span> 标签</span></a></div><div class="menus_item"><a class="site-page" href="/categories/"><i class="fa-fw fa fa-folder-open"></i><span> 分类</span></a></div><div class="menus_item"><a class="site-page" href="/link/"><i class="fa-fw fa fa-link"></i><span> 友链</span></a></div><div class="menus_item"><a class="site-page" href="/about/"><i class="fa-fw fa fa-heart"></i><span> 关于</span></a></div></div></div></div><div class="post" id="body-wrap"><header class="post-bg" id="page-header" style="background-image: url('https://qiniu.codekylin.cn/github/img/img/博客封面7.jpg')"><nav id="nav"><span id="blog_name"><a id="site-name" href="/">Kylin</a></span><div id="menus"><div id="search-button"><a class="site-page social-icon search"><i class="fas fa-search fa-fw"></i><span> 搜索</span></a></div><div class="menus_items"><div class="menus_item"><a class="site-page" href="/"><i class="fa-fw fa fa-home"></i><span> 首页</span></a></div><div class="menus_item"><a class="site-page" href="/archives/"><i class="fa-fw fa fa-archive"></i><span> 时间轴</span></a></div><div class="menus_item"><a class="site-page" href="/tags/"><i class="fa-fw fa fa-tags"></i><span> 标签</span></a></div><div class="menus_item"><a class="site-page" href="/categories/"><i class="fa-fw fa fa-folder-open"></i><span> 分类</span></a></div><div class="menus_item"><a class="site-page" href="/link/"><i class="fa-fw fa fa-link"></i><span> 友链</span></a></div><div class="menus_item"><a class="site-page" href="/about/"><i class="fa-fw fa fa-heart"></i><span> 关于</span></a></div></div><div id="toggle-menu"><a class="site-page"><i class="fas fa-bars fa-fw"></i></a></div></div></nav><div id="post-info"><h1 class="post-title">Java通过Jedis操作Redis</h1><div id="post-meta"><div class="meta-firstline"><span class="post-meta-date"><i class="far fa-calendar-alt fa-fw post-meta-icon"></i><span class="post-meta-label">发表于</span><time class="post-meta-date-created" datetime="2020-04-26T06:04:53.000Z" title="发表于 2020-04-26 14:04:53">2020-04-26</time><span class="post-meta-separator">|</span><i class="fas fa-history fa-fw post-meta-icon"></i><span class="post-meta-label">更新于</span><time class="post-meta-date-updated" datetime="2022-07-12T11:42:50.032Z" title="更新于 2022-07-12 19:42:50">2022-07-12</time></span><span class="post-meta-categories"><span class="post-meta-separator">|</span><i class="fas fa-inbox fa-fw post-meta-icon"></i><a class="post-meta-categories" href="/categories/%E6%95%B0%E6%8D%AE%E5%BA%93/">数据库</a><i class="fas fa-angle-right post-meta-separator"></i><i class="fas fa-inbox fa-fw post-meta-icon"></i><a class="post-meta-categories" href="/categories/%E6%95%B0%E6%8D%AE%E5%BA%93/Redis/">Redis</a></span></div><div class="meta-secondline"><span class="post-meta-separator">|</span><span class="post-meta-wordcount"><i class="far fa-file-word fa-fw post-meta-icon"></i><span class="post-meta-label">字数总计:</span><span class="word-count">3.1k</span><span class="post-meta-separator">|</span><i class="far fa-clock fa-fw post-meta-icon"></i><span class="post-meta-label">阅读时长:</span><span>16分钟</span></span></div></div></div></header><main class="layout" id="content-inner"><div id="post"><article class="post-content" id="article-container"><h2 id="Jedis"><a href="#Jedis" class="headerlink" title="Jedis"></a>Jedis</h2><p>什么是Jedis 是 Redis 官方推荐的 java连接开发工具！ 使用Java 操作Redis 中间件！如果你要使用 java操作redis，那么一定要对Jedis 十分的熟悉！</p>
<h2 id="测试"><a href="#测试" class="headerlink" title="测试"></a>测试</h2><p>1.首先创建一个Maven项目。导入一下依赖</p>
<figure class="highlight xml"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br></pre></td><td class="code"><pre><span class="line"><span class="comment">&lt;!--导入jedis包--&gt;</span></span><br><span class="line">      <span class="tag">&lt;<span class="name">dependency</span>&gt;</span></span><br><span class="line">          <span class="tag">&lt;<span class="name">groupId</span>&gt;</span>redis.clients<span class="tag">&lt;/<span class="name">groupId</span>&gt;</span></span><br><span class="line">          <span class="tag">&lt;<span class="name">artifactId</span>&gt;</span>jedis<span class="tag">&lt;/<span class="name">artifactId</span>&gt;</span></span><br><span class="line">          <span class="tag">&lt;<span class="name">version</span>&gt;</span>3.2.0<span class="tag">&lt;/<span class="name">version</span>&gt;</span></span><br><span class="line">      <span class="tag">&lt;/<span class="name">dependency</span>&gt;</span></span><br><span class="line">      <span class="comment">&lt;!--fastjson--&gt;</span></span><br><span class="line">      <span class="tag">&lt;<span class="name">dependency</span>&gt;</span></span><br><span class="line">          <span class="tag">&lt;<span class="name">groupId</span>&gt;</span>com.alibaba<span class="tag">&lt;/<span class="name">groupId</span>&gt;</span></span><br><span class="line">          <span class="tag">&lt;<span class="name">artifactId</span>&gt;</span>fastjson<span class="tag">&lt;/<span class="name">artifactId</span>&gt;</span></span><br><span class="line">          <span class="tag">&lt;<span class="name">version</span>&gt;</span>1.2.62<span class="tag">&lt;/<span class="name">version</span>&gt;</span></span><br><span class="line">      <span class="tag">&lt;/<span class="name">dependency</span>&gt;</span></span><br></pre></td></tr></table></figure>

<p><img src= "https://gitee.com/kylincw/images/raw/master/loading.gif" data-lazy-src="https://qiniu.codekylin.cn/img/20200426141107.png" alt="image-20200426141105648"></p>
<p>2.编写测试(连接的是Windows版本地的Redis，如果是想连接服务器上的Redis需要给Redis加上密码)</p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">TestPing</span> </span>&#123;</span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title">main</span><span class="params">(String[] args)</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">        <span class="comment">//1.new Jedis 对象</span></span><br><span class="line">        Jedis jedis = <span class="keyword">new</span> Jedis(<span class="string">&quot;127.0.0.1&quot;</span>,<span class="number">6379</span>);</span><br><span class="line">        <span class="comment">//2.jedis 搜友的命令就是我们之前学习的所用指令。</span></span><br><span class="line">        System.out.println(jedis.ping());</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>

<p><img src= "https://gitee.com/kylincw/images/raw/master/loading.gif" data-lazy-src="https://qiniu.codekylin.cn/img/20200426141402.png" alt="image-20200426141401525"></p>
<p><img src= "https://gitee.com/kylincw/images/raw/master/loading.gif" data-lazy-src="https://qiniu.codekylin.cn/img/20200426141704.png" alt="image-20200426141703379"></p>
<p><img src= "https://gitee.com/kylincw/images/raw/master/loading.gif" data-lazy-src="https://qiniu.codekylin.cn/img/20200426141734.png" alt="image-20200426141732765"></p>
<p>连接成功！</p>
<h2 id="常用的API"><a href="#常用的API" class="headerlink" title="常用的API"></a>常用的API</h2><h3 id="Key"><a href="#Key" class="headerlink" title="Key"></a>Key</h3><p><img src= "https://gitee.com/kylincw/images/raw/master/loading.gif" data-lazy-src="https://qiniu.codekylin.cn/img/20200426144405.png" alt="image-20200426144404229"></p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">TestKey</span> </span>&#123;</span><br><span class="line"></span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title">main</span><span class="params">(String[] args)</span> </span>&#123;</span><br><span class="line">        Jedis jedis = <span class="keyword">new</span> Jedis(<span class="string">&quot;127.0.0.1&quot;</span>,<span class="number">6379</span>);</span><br><span class="line">        System.out.println(<span class="string">&quot;清空数据：&quot;</span>+jedis.flushDB());</span><br><span class="line">        System.out.println(<span class="string">&quot;判断某个键是否存在：&quot;</span>+jedis.exists(<span class="string">&quot;username&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;新增&lt;&#x27;username&#x27;,&#x27;kylin&#x27;&gt;的键值对：&quot;</span>+jedis.set(<span class="string">&quot;username&quot;</span>, <span class="string">&quot;kylin&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;新增&lt;&#x27;password&#x27;,&#x27;password&#x27;&gt;的键值对：&quot;</span>+jedis.set(<span class="string">&quot;password&quot;</span>, <span class="string">&quot;password&quot;</span>));</span><br><span class="line">        System.out.print(<span class="string">&quot;系统中所有的键如下：&quot;</span>);</span><br><span class="line">        Set&lt;String&gt; keys = jedis.keys(<span class="string">&quot;*&quot;</span>);</span><br><span class="line">        System.out.println(keys);</span><br><span class="line"></span><br><span class="line">        System.out.println(<span class="string">&quot;删除键password:&quot;</span>+jedis.del(<span class="string">&quot;password&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;判断键password是否存在：&quot;</span>+jedis.exists(<span class="string">&quot;password&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;查看键username所存储的值的类型：&quot;</span>+jedis.type(<span class="string">&quot;username&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;随机返回key空间的一个：&quot;</span>+jedis.randomKey());</span><br><span class="line">        System.out.println(<span class="string">&quot;重命名key：&quot;</span>+jedis.rename(<span class="string">&quot;username&quot;</span>,<span class="string">&quot;name&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;取出改后的name：&quot;</span>+jedis.get(<span class="string">&quot;name&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;按索引查询：&quot;</span>+jedis.select(<span class="number">0</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;删除当前选择数据库中的所有key：&quot;</span>+jedis.flushDB());</span><br><span class="line">        System.out.println(<span class="string">&quot;返回当前数据库中key的数目：&quot;</span>+jedis.dbSize());</span><br><span class="line">        System.out.println(<span class="string">&quot;删除所有数据库中的所有key：&quot;</span>+jedis.flushAll());</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>

<p><img src= "https://gitee.com/kylincw/images/raw/master/loading.gif" data-lazy-src="https://qiniu.codekylin.cn/img/20200426144703.png" alt="image-20200426144702223"></p>
<h3 id="String"><a href="#String" class="headerlink" title="String"></a>String</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">TestString</span> </span>&#123;</span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title">main</span><span class="params">(String[] args)</span> </span>&#123;</span><br><span class="line">        Jedis jedis = <span class="keyword">new</span> Jedis(<span class="string">&quot;127.0.0.1&quot;</span>, <span class="number">6379</span>);</span><br><span class="line"></span><br><span class="line">        jedis.flushDB();</span><br><span class="line">        System.out.println(<span class="string">&quot;===========增加数据===========&quot;</span>);</span><br><span class="line">        System.out.println(jedis.set(<span class="string">&quot;key1&quot;</span>,<span class="string">&quot;value1&quot;</span>));</span><br><span class="line">        System.out.println(jedis.set(<span class="string">&quot;key2&quot;</span>,<span class="string">&quot;value2&quot;</span>));</span><br><span class="line">        System.out.println(jedis.set(<span class="string">&quot;key3&quot;</span>, <span class="string">&quot;value3&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;删除键key2:&quot;</span>+jedis.del(<span class="string">&quot;key2&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;获取键key2:&quot;</span>+jedis.get(<span class="string">&quot;key2&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;修改key1:&quot;</span>+jedis.set(<span class="string">&quot;key1&quot;</span>, <span class="string">&quot;value1Changed&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;获取key1的值：&quot;</span>+jedis.get(<span class="string">&quot;key1&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;在key3后面加入值：&quot;</span>+jedis.append(<span class="string">&quot;key3&quot;</span>, <span class="string">&quot;End&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;key3的值：&quot;</span>+jedis.get(<span class="string">&quot;key3&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;增加多个键值对：&quot;</span>+jedis.mset(<span class="string">&quot;key01&quot;</span>,<span class="string">&quot;value01&quot;</span>,<span class="string">&quot;key02&quot;</span>,<span class="string">&quot;value02&quot;</span>,<span class="string">&quot;key03&quot;</span>,<span class="string">&quot;value03&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;获取多个键值对：&quot;</span>+jedis.mget(<span class="string">&quot;key01&quot;</span>,<span class="string">&quot;key02&quot;</span>,<span class="string">&quot;key03&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;获取多个键值对：&quot;</span>+jedis.mget(<span class="string">&quot;key01&quot;</span>,<span class="string">&quot;key02&quot;</span>,<span class="string">&quot;key03&quot;</span>,<span class="string">&quot;key04&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;删除多个键值对：&quot;</span>+jedis.del(<span class="string">&quot;key01&quot;</span>,<span class="string">&quot;key02&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;获取多个键值对：&quot;</span>+jedis.mget(<span class="string">&quot;key01&quot;</span>,<span class="string">&quot;key02&quot;</span>,<span class="string">&quot;key03&quot;</span>));</span><br><span class="line"></span><br><span class="line">        jedis.flushDB();</span><br><span class="line">        System.out.println(<span class="string">&quot;===========新增键值对防止覆盖原先值==============&quot;</span>);</span><br><span class="line">        System.out.println(jedis.setnx(<span class="string">&quot;key1&quot;</span>, <span class="string">&quot;value1&quot;</span>));</span><br><span class="line">        System.out.println(jedis.setnx(<span class="string">&quot;key2&quot;</span>, <span class="string">&quot;value2&quot;</span>));</span><br><span class="line">        System.out.println(jedis.setnx(<span class="string">&quot;key2&quot;</span>, <span class="string">&quot;value2-new&quot;</span>));</span><br><span class="line">        System.out.println(jedis.get(<span class="string">&quot;key1&quot;</span>));</span><br><span class="line">        System.out.println(jedis.get(<span class="string">&quot;key2&quot;</span>));</span><br><span class="line"></span><br><span class="line">        System.out.println(<span class="string">&quot;===========新增键值对并设置有效时间=============&quot;</span>);</span><br><span class="line">        System.out.println(jedis.setex(<span class="string">&quot;key3&quot;</span>, <span class="number">2</span>, <span class="string">&quot;value3&quot;</span>));</span><br><span class="line">        System.out.println(jedis.get(<span class="string">&quot;key3&quot;</span>));</span><br><span class="line">        <span class="keyword">try</span> &#123;</span><br><span class="line">            TimeUnit.SECONDS.sleep(<span class="number">3</span>);</span><br><span class="line">        &#125; <span class="keyword">catch</span> (InterruptedException e) &#123;</span><br><span class="line">            e.printStackTrace();</span><br><span class="line">        &#125;</span><br><span class="line">        System.out.println(jedis.get(<span class="string">&quot;key3&quot;</span>));</span><br><span class="line"></span><br><span class="line">        System.out.println(<span class="string">&quot;===========获取原值，更新为新值==========&quot;</span>);</span><br><span class="line">        System.out.println(jedis.getSet(<span class="string">&quot;key2&quot;</span>, <span class="string">&quot;key2GetSet&quot;</span>));</span><br><span class="line">        System.out.println(jedis.get(<span class="string">&quot;key2&quot;</span>));</span><br><span class="line"></span><br><span class="line">        System.out.println(<span class="string">&quot;获得key2的值的字串：&quot;</span>+jedis.getrange(<span class="string">&quot;key2&quot;</span>, <span class="number">2</span>, <span class="number">4</span>));</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>

<p><img src= "https://gitee.com/kylincw/images/raw/master/loading.gif" data-lazy-src="https://qiniu.codekylin.cn/img/20200426142037.png" alt="image-20200426142035161"></p>
<h3 id="List"><a href="#List" class="headerlink" title="List"></a>List</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">TestList</span> </span>&#123;</span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title">main</span><span class="params">(String[] args)</span> </span>&#123;</span><br><span class="line">        Jedis jedis = <span class="keyword">new</span> Jedis(<span class="string">&quot;127.0.0.1&quot;</span>, <span class="number">6379</span>);</span><br><span class="line">        jedis.flushDB();</span><br><span class="line">        System.out.println(<span class="string">&quot;===========添加一个list===========&quot;</span>);</span><br><span class="line">        jedis.lpush(<span class="string">&quot;collections&quot;</span>, <span class="string">&quot;ArrayList&quot;</span>, <span class="string">&quot;Vector&quot;</span>, <span class="string">&quot;Stack&quot;</span>, <span class="string">&quot;HashMap&quot;</span>, <span class="string">&quot;WeakHashMap&quot;</span>, <span class="string">&quot;LinkedHashMap&quot;</span>);</span><br><span class="line">        jedis.lpush(<span class="string">&quot;collections&quot;</span>, <span class="string">&quot;HashSet&quot;</span>);</span><br><span class="line">        jedis.lpush(<span class="string">&quot;collections&quot;</span>, <span class="string">&quot;TreeSet&quot;</span>);</span><br><span class="line">        jedis.lpush(<span class="string">&quot;collections&quot;</span>, <span class="string">&quot;TreeMap&quot;</span>);</span><br><span class="line">        System.out.println(<span class="string">&quot;collections的内容：&quot;</span>+jedis.lrange(<span class="string">&quot;collections&quot;</span>, <span class="number">0</span>, -<span class="number">1</span>));<span class="comment">//-1代表倒数第一个元素，-2代表倒数第二个元素,end为-1表示查询全部</span></span><br><span class="line">        System.out.println(<span class="string">&quot;collections区间0-3的元素：&quot;</span>+jedis.lrange(<span class="string">&quot;collections&quot;</span>,<span class="number">0</span>,<span class="number">3</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;===============================&quot;</span>);</span><br><span class="line">        <span class="comment">// 删除列表指定的值 ，第二个参数为删除的个数（有重复时），后add进去的值先被删，类似于出栈</span></span><br><span class="line">        System.out.println(<span class="string">&quot;删除指定元素个数：&quot;</span>+jedis.lrem(<span class="string">&quot;collections&quot;</span>, <span class="number">2</span>, <span class="string">&quot;HashMap&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;collections的内容：&quot;</span>+jedis.lrange(<span class="string">&quot;collections&quot;</span>, <span class="number">0</span>, -<span class="number">1</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;删除下表0-3区间之外的元素：&quot;</span>+jedis.ltrim(<span class="string">&quot;collections&quot;</span>, <span class="number">0</span>, <span class="number">3</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;collections的内容：&quot;</span>+jedis.lrange(<span class="string">&quot;collections&quot;</span>, <span class="number">0</span>, -<span class="number">1</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;collections列表出栈（左端）：&quot;</span>+jedis.lpop(<span class="string">&quot;collections&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;collections的内容：&quot;</span>+jedis.lrange(<span class="string">&quot;collections&quot;</span>, <span class="number">0</span>, -<span class="number">1</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;collections添加元素，从列表右端，与lpush相对应：&quot;</span>+jedis.rpush(<span class="string">&quot;collections&quot;</span>, <span class="string">&quot;EnumMap&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;collections的内容：&quot;</span>+jedis.lrange(<span class="string">&quot;collections&quot;</span>, <span class="number">0</span>, -<span class="number">1</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;collections列表出栈（右端）：&quot;</span>+jedis.rpop(<span class="string">&quot;collections&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;collections的内容：&quot;</span>+jedis.lrange(<span class="string">&quot;collections&quot;</span>, <span class="number">0</span>, -<span class="number">1</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;修改collections指定下标1的内容：&quot;</span>+jedis.lset(<span class="string">&quot;collections&quot;</span>, <span class="number">1</span>, <span class="string">&quot;LinkedArrayList&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;collections的内容：&quot;</span>+jedis.lrange(<span class="string">&quot;collections&quot;</span>, <span class="number">0</span>, -<span class="number">1</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;===============================&quot;</span>);</span><br><span class="line">        System.out.println(<span class="string">&quot;collections的长度：&quot;</span>+jedis.llen(<span class="string">&quot;collections&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;获取collections下标为2的元素：&quot;</span>+jedis.lindex(<span class="string">&quot;collections&quot;</span>, <span class="number">2</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;===============================&quot;</span>);</span><br><span class="line">        jedis.lpush(<span class="string">&quot;sortedList&quot;</span>, <span class="string">&quot;3&quot;</span>,<span class="string">&quot;6&quot;</span>,<span class="string">&quot;2&quot;</span>,<span class="string">&quot;0&quot;</span>,<span class="string">&quot;7&quot;</span>,<span class="string">&quot;4&quot;</span>);</span><br><span class="line">        System.out.println(<span class="string">&quot;sortedList排序前：&quot;</span>+jedis.lrange(<span class="string">&quot;sortedList&quot;</span>, <span class="number">0</span>, -<span class="number">1</span>));</span><br><span class="line">        System.out.println(jedis.sort(<span class="string">&quot;sortedList&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;sortedList排序后：&quot;</span>+jedis.lrange(<span class="string">&quot;sortedList&quot;</span>, <span class="number">0</span>, -<span class="number">1</span>));</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>

<p><img src= "https://gitee.com/kylincw/images/raw/master/loading.gif" data-lazy-src="https://qiniu.codekylin.cn/img/20200426142257.png" alt="image-20200426142255496"></p>
<h3 id="Set"><a href="#Set" class="headerlink" title="Set"></a>Set</h3><figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">TestSet</span> </span>&#123;</span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title">main</span><span class="params">(String[] args)</span> </span>&#123;</span><br><span class="line">        Jedis jedis = <span class="keyword">new</span> Jedis(<span class="string">&quot;127.0.0.1&quot;</span>, <span class="number">6379</span>);</span><br><span class="line">        jedis.flushDB();</span><br><span class="line">        System.out.println(<span class="string">&quot;============向集合中添加元素（不重复）============&quot;</span>);</span><br><span class="line">        System.out.println(jedis.sadd(<span class="string">&quot;eleSet&quot;</span>, <span class="string">&quot;e1&quot;</span>,<span class="string">&quot;e2&quot;</span>,<span class="string">&quot;e4&quot;</span>,<span class="string">&quot;e3&quot;</span>,<span class="string">&quot;e0&quot;</span>,<span class="string">&quot;e8&quot;</span>,<span class="string">&quot;e7&quot;</span>,<span class="string">&quot;e5&quot;</span>));</span><br><span class="line">        System.out.println(jedis.sadd(<span class="string">&quot;eleSet&quot;</span>, <span class="string">&quot;e6&quot;</span>));</span><br><span class="line">        System.out.println(jedis.sadd(<span class="string">&quot;eleSet&quot;</span>, <span class="string">&quot;e6&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;eleSet的所有元素为：&quot;</span>+jedis.smembers(<span class="string">&quot;eleSet&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;删除一个元素e0：&quot;</span>+jedis.srem(<span class="string">&quot;eleSet&quot;</span>, <span class="string">&quot;e0&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;eleSet的所有元素为：&quot;</span>+jedis.smembers(<span class="string">&quot;eleSet&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;删除两个元素e7和e6：&quot;</span>+jedis.srem(<span class="string">&quot;eleSet&quot;</span>, <span class="string">&quot;e7&quot;</span>,<span class="string">&quot;e6&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;eleSet的所有元素为：&quot;</span>+jedis.smembers(<span class="string">&quot;eleSet&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;随机的移除集合中的一个元素：&quot;</span>+jedis.spop(<span class="string">&quot;eleSet&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;随机的移除集合中的一个元素：&quot;</span>+jedis.spop(<span class="string">&quot;eleSet&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;eleSet的所有元素为：&quot;</span>+jedis.smembers(<span class="string">&quot;eleSet&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;eleSet中包含元素的个数：&quot;</span>+jedis.scard(<span class="string">&quot;eleSet&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;e3是否在eleSet中：&quot;</span>+jedis.sismember(<span class="string">&quot;eleSet&quot;</span>, <span class="string">&quot;e3&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;e1是否在eleSet中：&quot;</span>+jedis.sismember(<span class="string">&quot;eleSet&quot;</span>, <span class="string">&quot;e1&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;e1是否在eleSet中：&quot;</span>+jedis.sismember(<span class="string">&quot;eleSet&quot;</span>, <span class="string">&quot;e5&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;=================================&quot;</span>);</span><br><span class="line">        System.out.println(jedis.sadd(<span class="string">&quot;eleSet1&quot;</span>, <span class="string">&quot;e1&quot;</span>,<span class="string">&quot;e2&quot;</span>,<span class="string">&quot;e4&quot;</span>,<span class="string">&quot;e3&quot;</span>,<span class="string">&quot;e0&quot;</span>,<span class="string">&quot;e8&quot;</span>,<span class="string">&quot;e7&quot;</span>,<span class="string">&quot;e5&quot;</span>));</span><br><span class="line">        System.out.println(jedis.sadd(<span class="string">&quot;eleSet2&quot;</span>, <span class="string">&quot;e1&quot;</span>,<span class="string">&quot;e2&quot;</span>,<span class="string">&quot;e4&quot;</span>,<span class="string">&quot;e3&quot;</span>,<span class="string">&quot;e0&quot;</span>,<span class="string">&quot;e8&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;将eleSet1中删除e1并存入eleSet3中：&quot;</span>+jedis.smove(<span class="string">&quot;eleSet1&quot;</span>, <span class="string">&quot;eleSet3&quot;</span>, <span class="string">&quot;e1&quot;</span>));<span class="comment">//移到集合元素</span></span><br><span class="line">        System.out.println(<span class="string">&quot;将eleSet1中删除e2并存入eleSet3中：&quot;</span>+jedis.smove(<span class="string">&quot;eleSet1&quot;</span>, <span class="string">&quot;eleSet3&quot;</span>, <span class="string">&quot;e2&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;eleSet1中的元素：&quot;</span>+jedis.smembers(<span class="string">&quot;eleSet1&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;eleSet3中的元素：&quot;</span>+jedis.smembers(<span class="string">&quot;eleSet3&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;============集合运算=================&quot;</span>);</span><br><span class="line">        System.out.println(<span class="string">&quot;eleSet1中的元素：&quot;</span>+jedis.smembers(<span class="string">&quot;eleSet1&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;eleSet2中的元素：&quot;</span>+jedis.smembers(<span class="string">&quot;eleSet2&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;eleSet1和eleSet2的交集:&quot;</span>+jedis.sinter(<span class="string">&quot;eleSet1&quot;</span>,<span class="string">&quot;eleSet2&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;eleSet1和eleSet2的并集:&quot;</span>+jedis.sunion(<span class="string">&quot;eleSet1&quot;</span>,<span class="string">&quot;eleSet2&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;eleSet1和eleSet2的差集:&quot;</span>+jedis.sdiff(<span class="string">&quot;eleSet1&quot;</span>,<span class="string">&quot;eleSet2&quot;</span>));<span class="comment">//eleSet1中有，eleSet2中没有</span></span><br><span class="line">        jedis.sinterstore(<span class="string">&quot;eleSet4&quot;</span>,<span class="string">&quot;eleSet1&quot;</span>,<span class="string">&quot;eleSet2&quot;</span>);<span class="comment">//求交集并将交集保存到dstkey的集合</span></span><br><span class="line">        System.out.println(<span class="string">&quot;eleSet4中的元素：&quot;</span>+jedis.smembers(<span class="string">&quot;eleSet4&quot;</span>));</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>

<p><img src= "https://gitee.com/kylincw/images/raw/master/loading.gif" data-lazy-src="https://qiniu.codekylin.cn/img/20200426142419.png" alt="image-20200426142417774"></p>
<h3 id="Hash"><a href="#Hash" class="headerlink" title="Hash"></a>Hash</h3><p><img src= "https://gitee.com/kylincw/images/raw/master/loading.gif" data-lazy-src="https://qiniu.codekylin.cn/img/20200426142720.png" alt="image-20200426142718951"></p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">TestHash</span> </span>&#123;</span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title">main</span><span class="params">(String[] args)</span> </span>&#123;</span><br><span class="line">        Jedis jedis = <span class="keyword">new</span> Jedis(<span class="string">&quot;127.0.0.1&quot;</span>, <span class="number">6379</span>);</span><br><span class="line">        jedis.flushDB();</span><br><span class="line">        Map&lt;String,String&gt; map = <span class="keyword">new</span> HashMap&lt;&gt;();</span><br><span class="line">        map.put(<span class="string">&quot;key1&quot;</span>,<span class="string">&quot;value1&quot;</span>);</span><br><span class="line">        map.put(<span class="string">&quot;key2&quot;</span>,<span class="string">&quot;value2&quot;</span>);</span><br><span class="line">        map.put(<span class="string">&quot;key3&quot;</span>,<span class="string">&quot;value3&quot;</span>);</span><br><span class="line">        map.put(<span class="string">&quot;key4&quot;</span>,<span class="string">&quot;value4&quot;</span>);</span><br><span class="line">        <span class="comment">//添加名称为hash（key）的hash元素</span></span><br><span class="line">        jedis.hmset(<span class="string">&quot;hash&quot;</span>,map);</span><br><span class="line">        <span class="comment">//向名称为hash的hash中添加key为key5，value为value5元素</span></span><br><span class="line">        jedis.hset(<span class="string">&quot;hash&quot;</span>, <span class="string">&quot;key5&quot;</span>, <span class="string">&quot;value5&quot;</span>);</span><br><span class="line">        System.out.println(<span class="string">&quot;散列hash的所有键值对为：&quot;</span>+jedis.hgetAll(<span class="string">&quot;hash&quot;</span>));<span class="comment">//return Map&lt;String,String&gt;</span></span><br><span class="line">        System.out.println(<span class="string">&quot;散列hash的所有键为：&quot;</span>+jedis.hkeys(<span class="string">&quot;hash&quot;</span>));<span class="comment">//return Set&lt;String&gt;</span></span><br><span class="line">        System.out.println(<span class="string">&quot;散列hash的所有值为：&quot;</span>+jedis.hvals(<span class="string">&quot;hash&quot;</span>));<span class="comment">//return List&lt;String&gt;</span></span><br><span class="line">        System.out.println(<span class="string">&quot;将key6保存的值加上一个整数，如果key6不存在则添加key6：&quot;</span>+jedis.hincrBy(<span class="string">&quot;hash&quot;</span>, <span class="string">&quot;key6&quot;</span>, <span class="number">6</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;散列hash的所有键值对为：&quot;</span>+jedis.hgetAll(<span class="string">&quot;hash&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;将key6保存的值加上一个整数，如果key6不存在则添加key6：&quot;</span>+jedis.hincrBy(<span class="string">&quot;hash&quot;</span>, <span class="string">&quot;key6&quot;</span>, <span class="number">3</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;散列hash的所有键值对为：&quot;</span>+jedis.hgetAll(<span class="string">&quot;hash&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;删除一个或者多个键值对：&quot;</span>+jedis.hdel(<span class="string">&quot;hash&quot;</span>, <span class="string">&quot;key2&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;散列hash的所有键值对为：&quot;</span>+jedis.hgetAll(<span class="string">&quot;hash&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;散列hash中键值对的个数：&quot;</span>+jedis.hlen(<span class="string">&quot;hash&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;判断hash中是否存在key2：&quot;</span>+jedis.hexists(<span class="string">&quot;hash&quot;</span>,<span class="string">&quot;key2&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;判断hash中是否存在key3：&quot;</span>+jedis.hexists(<span class="string">&quot;hash&quot;</span>,<span class="string">&quot;key3&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;获取hash中的值：&quot;</span>+jedis.hmget(<span class="string">&quot;hash&quot;</span>,<span class="string">&quot;key3&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;获取hash中的值：&quot;</span>+jedis.hmget(<span class="string">&quot;hash&quot;</span>,<span class="string">&quot;key3&quot;</span>,<span class="string">&quot;key4&quot;</span>));</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>

<p><img src= "https://gitee.com/kylincw/images/raw/master/loading.gif" data-lazy-src="https://qiniu.codekylin.cn/img/20200426142803.png" alt="image-20200426142801873"></p>
<h3 id="Zset"><a href="#Zset" class="headerlink" title="Zset"></a>Zset</h3><p><img src= "https://gitee.com/kylincw/images/raw/master/loading.gif" data-lazy-src="https://qiniu.codekylin.cn/img/20200426144220.png" alt="image-20200426144219068"></p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">TestZSet</span> </span>&#123;</span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title">main</span><span class="params">(String[] args)</span> </span>&#123;</span><br><span class="line">        Jedis jedis = <span class="keyword">new</span> Jedis(<span class="string">&quot;localhost&quot;</span>, <span class="number">6379</span>);</span><br><span class="line">        jedis.flushDB();</span><br><span class="line">        Map&lt;String, Double&gt; map = <span class="keyword">new</span> HashMap&lt;&gt;();</span><br><span class="line">        map.put(<span class="string">&quot;key2&quot;</span>, <span class="number">1.2</span>);</span><br><span class="line">        map.put(<span class="string">&quot;key3&quot;</span>, <span class="number">4.0</span>);</span><br><span class="line">        map.put(<span class="string">&quot;key4&quot;</span>, <span class="number">5.0</span>);</span><br><span class="line">        map.put(<span class="string">&quot;key5&quot;</span>, <span class="number">0.2</span>);</span><br><span class="line">        System.out.println(jedis.zadd(<span class="string">&quot;zset&quot;</span>, <span class="number">3</span>, <span class="string">&quot;key1&quot;</span>));</span><br><span class="line">        System.out.println(jedis.zadd(<span class="string">&quot;zset&quot;</span>,map));</span><br><span class="line">        System.out.println(<span class="string">&quot;zset中的所有元素：&quot;</span> + jedis.zrange(<span class="string">&quot;zset&quot;</span>, <span class="number">0</span>, -<span class="number">1</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;zset中的所有元素：&quot;</span> + jedis.zrangeWithScores(<span class="string">&quot;zset&quot;</span>, <span class="number">0</span>, -<span class="number">1</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;zset中的所有元素：&quot;</span> + jedis.zrangeByScore(<span class="string">&quot;zset&quot;</span>, <span class="number">0</span>, <span class="number">100</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;zset中的所有元素：&quot;</span> + jedis.zrangeByScoreWithScores(<span class="string">&quot;zset&quot;</span>, <span class="number">0</span>, <span class="number">100</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;zset中key2的分值：&quot;</span> + jedis.zscore(<span class="string">&quot;zset&quot;</span>, <span class="string">&quot;key2&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;zset中key2的排名：&quot;</span> + jedis.zrank(<span class="string">&quot;zset&quot;</span>, <span class="string">&quot;key2&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;删除zset中的元素key3：&quot;</span> + jedis.zrem(<span class="string">&quot;zset&quot;</span>, <span class="string">&quot;key3&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;zset中的所有元素：&quot;</span> + jedis.zrange(<span class="string">&quot;zset&quot;</span>, <span class="number">0</span>, -<span class="number">1</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;zset中元素的个数：&quot;</span> + jedis.zcard(<span class="string">&quot;zset&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;zset中分值在1-4之间的元素的个数：&quot;</span> + jedis.zcount(<span class="string">&quot;zset&quot;</span>, <span class="number">1</span>, <span class="number">4</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;key2的分值加上5：&quot;</span> + jedis.zincrby(<span class="string">&quot;zset&quot;</span>, <span class="number">5</span>, <span class="string">&quot;key2&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;key3的分值加上4：&quot;</span> + jedis.zincrby(<span class="string">&quot;zset&quot;</span>, <span class="number">4</span>, <span class="string">&quot;key3&quot;</span>));</span><br><span class="line">        System.out.println(<span class="string">&quot;zset中的所有元素：&quot;</span> + jedis.zrange(<span class="string">&quot;zset&quot;</span>, <span class="number">0</span>, -<span class="number">1</span>));</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>

<p><img src= "https://gitee.com/kylincw/images/raw/master/loading.gif" data-lazy-src="https://qiniu.codekylin.cn/img/20200426144251.png" alt="image-20200426144249510"></p>
<h2 id="事务"><a href="#事务" class="headerlink" title="事务"></a>事务</h2><p><img src= "https://gitee.com/kylincw/images/raw/master/loading.gif" data-lazy-src="https://qiniu.codekylin.cn/img/20200426151200.png" alt="image-20200426151159080"></p>
<figure class="highlight java"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">public</span> <span class="class"><span class="keyword">class</span> <span class="title">TestTX</span> </span>&#123;</span><br><span class="line">    <span class="function"><span class="keyword">public</span> <span class="keyword">static</span> <span class="keyword">void</span> <span class="title">main</span><span class="params">(String[] args)</span> </span>&#123;</span><br><span class="line">        Jedis jedis = <span class="keyword">new</span> Jedis(<span class="string">&quot;127.0.0.1&quot;</span>, <span class="number">6379</span>);</span><br><span class="line">        jedis.flushDB();</span><br><span class="line">        <span class="comment">//开启事务</span></span><br><span class="line">        Transaction multi = jedis.multi();</span><br><span class="line">        JSONObject jsonObject = <span class="keyword">new</span> JSONObject();</span><br><span class="line">        jsonObject.put(<span class="string">&quot;hello&quot;</span>, <span class="string">&quot;world&quot;</span>);</span><br><span class="line">        jsonObject.put(<span class="string">&quot;name&quot;</span>, <span class="string">&quot;kylin&quot;</span>);</span><br><span class="line">        String result = jsonObject.toJSONString();</span><br><span class="line">        <span class="comment">//ctrl+win+alt+t</span></span><br><span class="line">        <span class="keyword">try</span> &#123;</span><br><span class="line">            multi.set(<span class="string">&quot;user1&quot;</span>, result);</span><br><span class="line">            multi.set(<span class="string">&quot;user2&quot;</span>, result);</span><br><span class="line">            <span class="comment">//int i = 1 / 0;//代码异常</span></span><br><span class="line">            multi.exec();<span class="comment">//执行事务</span></span><br><span class="line">        &#125; <span class="keyword">catch</span> (Exception e) &#123;</span><br><span class="line">            <span class="comment">//失败放弃事务</span></span><br><span class="line">            multi.discard();</span><br><span class="line">            e.printStackTrace();</span><br><span class="line">        &#125; <span class="keyword">finally</span> &#123;</span><br><span class="line">            System.out.println(jedis.get(<span class="string">&quot;user1&quot;</span>));</span><br><span class="line">            System.out.println(jedis.get(<span class="string">&quot;user2&quot;</span>));</span><br><span class="line">            <span class="comment">//关闭连接</span></span><br><span class="line">            jedis.close();</span><br><span class="line">        &#125;</span><br><span class="line">    &#125;</span><br><span class="line">&#125;</span><br></pre></td></tr></table></figure>

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</article><div class="post-copyright"><div class="post-copyright__author"><span class="post-copyright-meta">文章作者: </span><span class="post-copyright-info"><a href="mailto:undefined">Kylin</a></span></div><div class="post-copyright__type"><span class="post-copyright-meta">文章链接: </span><span class="post-copyright-info"><a href="https://www.codekylin.cn/59179.html">https://www.codekylin.cn/59179.html</a></span></div><div class="post-copyright__notice"><span class="post-copyright-meta">版权声明: </span><span class="post-copyright-info">本博客所有文章除特别声明外，均采用 <a href="https://creativecommons.org/licenses/by-nc-sa/4.0/" target="_blank">CC BY-NC-SA 4.0</a> 许可协议。转载请注明来自 <a href="https://www.codekylin.cn" target="_blank">Kylin</a>！</span></div></div><div class="tag_share"><div class="post-meta__tag-list"><a class="post-meta__tags" href="/tags/Redis/">Redis</a><a class="post-meta__tags" href="/tags/Jedis/">Jedis</a></div><div class="post_share"><div class="social-share" 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href="#String"><span class="toc-number">3.2.</span> <span class="toc-text">String</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#List"><span class="toc-number">3.3.</span> <span class="toc-text">List</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#Set"><span class="toc-number">3.4.</span> <span class="toc-text">Set</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#Hash"><span class="toc-number">3.5.</span> <span class="toc-text">Hash</span></a></li><li class="toc-item toc-level-3"><a class="toc-link" href="#Zset"><span class="toc-number">3.6.</span> <span class="toc-text">Zset</span></a></li></ol></li><li class="toc-item toc-level-2"><a class="toc-link" href="#%E4%BA%8B%E5%8A%A1"><span class="toc-number">4.</span> <span class="toc-text">事务</span></a></li></ol></div></div><div class="card-widget card-recent-post"><div class="item-headline"><i class="fas fa-history"></i><span>最新文章</span></div><div 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